definition of
fink

[1] #1 fink n. [snitch, snitcher, stoolpigeon, stool pigeon, stoolie, sneak, sneaker, canary] someone acting as an informer or decoy for the police. wn

[2] #2 fink v. [scab, rat, blackleg] take the place of work of someone on strike. wn

[3] #3 fink v. [confess, squeal] confess to a punishable or reprehensible deed, usually under pressure. wn